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Model comparison

Gemini 3.5 Flash-Lite vs Claude Fable 5

GoogleGemini 3.5 Flash-Lite
Input
$0.30
Output
$2.50
Context
1M
Released
2026-07-21
Full model page →AnthropicClaude Fable 5
Input
$10.00
Output
$50.00
Context
1M
Released
2026-06-09
Full model page →
Short answer

Claude Fable 5 scores higher on 3 of the 3 benchmarks both models report; Gemini 3.5 Flash-Lite is cheaper on input tokens ($0.3 vs $10 per 1M, 33.3×).

Specs and pricing side by side

SpecGemini 3.5 Flash-LiteClaude Fable 5
MakerGoogleAnthropic
Released2026-07-212026-06-09
Context window1M1Msame
Max output64K128K
Input price$0.30$10.00
Output price$2.50$50.00
ParametersNot disclosedUndisclosed
LicenseProprietaryProprietarysame
WeightsAPI onlyAPI onlysame
ModalitiesText, Vision, Audio, Video, PDFText, Vision
Knowledge cutoffMarch 2026not published

Benchmarks both models report

BenchmarkGemini 3.5 Flash-LiteClaude Fable 5
SWE-Bench Pro54.2%80.3%
OSWorld-Verified74%85%
Terminal-Bench 2.154%88%

Scores are as published by each maker or its cited source; harness, reasoning effort and date can differ between rows, so treat small gaps as ties. Sources are listed on each model page.

Which one should you pick?

Pick Gemini 3.5 Flash-Lite if…

  • Cost matters: input tokens cost 33.3× less ($0.3 vs $10 per 1M).
  • You need Audio / Video / PDF input, which Claude Fable 5 lacks.
  • Your use case is: reach for it as the default cheap tier for high-volume translation, classification, and tagging.

Pick Claude Fable 5 if…

  • You care about SWE-Bench Pro, OSWorld-Verified, Terminal-Bench 2.1 (it scores higher on 3 shared benchmarks).
  • Your use case is: reach for it for the most demanding multi-step agentic coding across large codebases when you want above-Opus capability.

FAQ

Which is better, Gemini 3.5 Flash-Lite or Claude Fable 5?

Claude Fable 5 scores higher on 3 of the 3 benchmarks both models report; Gemini 3.5 Flash-Lite is cheaper on input tokens ($0.3 vs $10 per 1M, 33.3×). The better pick depends on whether you value benchmark scores, price per token, context length or openness for your workload.

How much cheaper is Gemini 3.5 Flash-Lite?

Gemini 3.5 Flash-Lite: $0.30 input, $2.50 output. Claude Fable 5: $10.00 input, $50.00 output (list API prices as published by each maker).

What are the context windows of Gemini 3.5 Flash-Lite and Claude Fable 5?

Gemini 3.5 Flash-Lite offers 1M with up to 64K output; Claude Fable 5 offers 1M with up to 128K output.

Is Gemini 3.5 Flash-Lite newer than Claude Fable 5?

Gemini 3.5 Flash-Lite was released 2026-07-21; Claude Fable 5 was released 2026-06-09.

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